A Woosher is a sub-machine gun and most of the times it would be a Mac 10 or Mac 11. Commonly used as slang in urban London environments.
Roadman 1: "That youte's getting bare rude ya know"
Roadman 2: "Yeah lemme back out the woosher on him"
Roadman 2: "Yeah lemme back out the woosher on him"
by mandxwn March 01, 2019
by mandxwn September 23, 2018